Bike Computer Multifunction LED Digital Rate MTB Bicycle Speedometer Wireless Cycling Odometer Computer Stopwatch Note: Speed data will be displayed in full screen when the speed data is displayed for 6 seconds Brand: Computer Net Weight: about 32g GW: about 88G Size: about 6*4.4*1.5cm Color: Black / Red / Green / Blue Accessories:Cycle computer, Bracket, Bracket Seat, Induced magnet, Wireless transmitter, Wired sensor, Rubber ring, Rubber slice, Belt Installation Steps 1. The bicycle computer base is fixed on the handlebar 2. The magnet mounted on the spokes 3. Used tie the sensor is fixed to the bicycle fork 4. Adjust the position of the head or the sensor, so that the distance is about 3mm, and then were fixed 5. Place the bicycle computer on the bracket